{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4HZR47C4M3MZ7SEO5ZA2ALZUO7","short_pith_number":"pith:4HZR47C4","canonical_record":{"source":{"id":"1809.11145","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-28T17:02:31Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"801879b15a94b4bb1fafb336a46b338457c4b95c37f568c063176d109ff210a0","abstract_canon_sha256":"5c156cedd4324468eca65897ff795ccbaf4e74453cca751019c8301328e92150"},"schema_version":"1.0"},"canonical_sha256":"e1f31e7c5c66d99fc88eee41a02f3477e0ecf48eabe738346e7eb6642b7669ba","source":{"kind":"arxiv","id":"1809.11145","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.11145","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"arxiv_version","alias_value":"1809.11145v2","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.11145","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"pith_short_12","alias_value":"4HZR47C4M3MZ","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"pith_short_16","alias_value":"4HZR47C4M3MZ7SEO","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"pith_short_8","alias_value":"4HZR47C4","created_at":"2026-07-05T03:02:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4HZR47C4M3MZ7SEO5ZA2ALZUO7","target":"record","payload":{"canonical_record":{"source":{"id":"1809.11145","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-28T17:02:31Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"801879b15a94b4bb1fafb336a46b338457c4b95c37f568c063176d109ff210a0","abstract_canon_sha256":"5c156cedd4324468eca65897ff795ccbaf4e74453cca751019c8301328e92150"},"schema_version":"1.0"},"canonical_sha256":"e1f31e7c5c66d99fc88eee41a02f3477e0ecf48eabe738346e7eb6642b7669ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:02:05.441510Z","signature_b64":"reNX2XAh5Gggyf2p5HDn7eERViryYc5gSW4Zugi4eQutmp3FFLHeKPBJ1yK2sCZHGQDA8KExj6PBHh50yXmXBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1f31e7c5c66d99fc88eee41a02f3477e0ecf48eabe738346e7eb6642b7669ba","last_reissued_at":"2026-07-05T03:02:05.441009Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:02:05.441009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.11145","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:02:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u8s4EEtN2FWyAnew3eWcq5n6vVJXFLVqxzr/eXTEIkflU232H/tbPR20d00UOOLKpFvuu8K3AGymwTl9Lc+GAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T05:44:53.004709Z"},"content_sha256":"4bde157cb5a73baa350cae5f3c0dca369f163bb72c2bd73f2800ce0a9e2dad8d","schema_version":"1.0","event_id":"sha256:4bde157cb5a73baa350cae5f3c0dca369f163bb72c2bd73f2800ce0a9e2dad8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4HZR47C4M3MZ7SEO5ZA2ALZUO7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC): Selection of a performance metric for classification probabilities balancing diverse science goals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"A.A. Mahabal, A. Bahmanyar, A.I. Malz, C.M. Peters, C.N. Setzer, D. Muthukrishna, D.O. Jones, E.E.O. Ishida, G. Narayan, H. Peiris, J.D. McEwen, J.R. Mart\\'inez-Galarza, K.A. Ponder, K.S. Mandel, L. Galbany, M. Dai, M. Lochner, R. Biswas, R. Hlo\\v{z}ek, R. Kessler, S.W. Jha, T. Allam Jr, The LSST Dark Energy Science Collaboration, The LSST Transients, Variable Stars Science Collaboration","submitted_at":"2018-09-28T17:02:31Z","abstract_excerpt":"Classification of transient and variable light curves is an essential step in using astronomical observations to develop an understanding of their underlying physical processes. However, upcoming deep photometric surveys, including the Large Synoptic Survey Telescope (LSST), will produce a deluge of low signal-to-noise data for which traditional labeling procedures are inappropriate. Probabilistic classification is more appropriate for the data but are incompatible with the traditional metrics used on deterministic classifications. Furthermore, large survey collaborations intend to use these c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.11145","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1809.11145/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:02:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WGR1J+K75xzYq7ia4ZDfqrvCGY43REdrIfVn9+Iw7afTNUKLqSMtonYdekeKVuL0UZWEVAWt4eoDXdoaBkrvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T05:44:53.005310Z"},"content_sha256":"5de729ab89fc4d4cdc82861e139d400838abbe0945986f1d5383d0ae7a280a28","schema_version":"1.0","event_id":"sha256:5de729ab89fc4d4cdc82861e139d400838abbe0945986f1d5383d0ae7a280a28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4HZR47C4M3MZ7SEO5ZA2ALZUO7/bundle.json","state_url":"https://pith.science/pith/4HZR47C4M3MZ7SEO5ZA2ALZUO7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4HZR47C4M3MZ7SEO5ZA2ALZUO7/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-21T05:44:53Z","links":{"resolver":"https://pith.science/pith/4HZR47C4M3MZ7SEO5ZA2ALZUO7","bundle":"https://pith.science/pith/4HZR47C4M3MZ7SEO5ZA2ALZUO7/bundle.json","state":"https://pith.science/pith/4HZR47C4M3MZ7SEO5ZA2ALZUO7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4HZR47C4M3MZ7SEO5ZA2ALZUO7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4HZR47C4M3MZ7SEO5ZA2ALZUO7","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"5c156cedd4324468eca65897ff795ccbaf4e74453cca751019c8301328e92150","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-28T17:02:31Z","title_canon_sha256":"801879b15a94b4bb1fafb336a46b338457c4b95c37f568c063176d109ff210a0"},"schema_version":"1.0","source":{"id":"1809.11145","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.11145","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"arxiv_version","alias_value":"1809.11145v2","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.11145","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"pith_short_12","alias_value":"4HZR47C4M3MZ","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"pith_short_16","alias_value":"4HZR47C4M3MZ7SEO","created_at":"2026-07-05T03:02:05Z"},{"alias_kind":"pith_short_8","alias_value":"4HZR47C4","created_at":"2026-07-05T03:02:05Z"}],"graph_snapshots":[{"event_id":"sha256:5de729ab89fc4d4cdc82861e139d400838abbe0945986f1d5383d0ae7a280a28","target":"graph","created_at":"2026-07-05T03:02:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1809.11145/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Classification of transient and variable light curves is an essential step in using astronomical observations to develop an understanding of their underlying physical processes. However, upcoming deep photometric surveys, including the Large Synoptic Survey Telescope (LSST), will produce a deluge of low signal-to-noise data for which traditional labeling procedures are inappropriate. Probabilistic classification is more appropriate for the data but are incompatible with the traditional metrics used on deterministic classifications. Furthermore, large survey collaborations intend to use these c","authors_text":"A.A. Mahabal, A. Bahmanyar, A.I. Malz, C.M. Peters, C.N. Setzer, D. Muthukrishna, D.O. Jones, E.E.O. Ishida, G. Narayan, H. Peiris, J.D. McEwen, J.R. Mart\\'inez-Galarza, K.A. Ponder, K.S. Mandel, L. Galbany, M. Dai, M. Lochner, R. Biswas, R. Hlo\\v{z}ek, R. Kessler, S.W. Jha, T. Allam Jr, The LSST Dark Energy Science Collaboration, The LSST Transients, Variable Stars Science Collaboration","cross_cats":["astro-ph.CO","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-28T17:02:31Z","title":"The Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC): Selection of a performance metric for classification probabilities balancing diverse science goals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.11145","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4bde157cb5a73baa350cae5f3c0dca369f163bb72c2bd73f2800ce0a9e2dad8d","target":"record","created_at":"2026-07-05T03:02:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"5c156cedd4324468eca65897ff795ccbaf4e74453cca751019c8301328e92150","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-28T17:02:31Z","title_canon_sha256":"801879b15a94b4bb1fafb336a46b338457c4b95c37f568c063176d109ff210a0"},"schema_version":"1.0","source":{"id":"1809.11145","kind":"arxiv","version":2}},"canonical_sha256":"e1f31e7c5c66d99fc88eee41a02f3477e0ecf48eabe738346e7eb6642b7669ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1f31e7c5c66d99fc88eee41a02f3477e0ecf48eabe738346e7eb6642b7669ba","first_computed_at":"2026-07-05T03:02:05.441009Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:02:05.441009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"reNX2XAh5Gggyf2p5HDn7eERViryYc5gSW4Zugi4eQutmp3FFLHeKPBJ1yK2sCZHGQDA8KExj6PBHh50yXmXBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:02:05.441510Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.11145","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bde157cb5a73baa350cae5f3c0dca369f163bb72c2bd73f2800ce0a9e2dad8d","sha256:5de729ab89fc4d4cdc82861e139d400838abbe0945986f1d5383d0ae7a280a28"],"state_sha256":"774b4eead24ed34e75bb0a8b87849dfb0e8854824094d20c3c8b14cb0116de96"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KheSnkVjsiQv2s84DVSNYmhIHC3e8N8j4BQuSdNmQq6J/gyPibGUX0fvEneWp9uQzTux1BU/elgi9aD9ApkEDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T05:44:53.010475Z","bundle_sha256":"1bdc3ad40d11ffe156b401972008b3b78175e911ba50bd6baea3e608bc3369d8"}}